168471406 has 8 divisors (see below), whose sum is σ = 258084000. Its totient is φ = 82443408.

The previous prime is 168471383. The next prime is 168471431. The reversal of 168471406 is 604174861.

It is a happy number.

168471406 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×168471406² = 56765229279233672, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 896031 + ... + 896218.

It is an arithmetic number, because the mean of its divisors is an integer number (32260500).

Almost surely, 2^168471406 is an apocalyptic number.

168471406 is a deficient number, since it is larger than the sum of its proper divisors (89612594).

168471406 is a wasteful number, since it uses less digits than its factorization.

168471406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1792298.

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 168471406 is about 12979.6535392899. The cubic root of 168471406 is about 552.3004538630.

The spelling of 168471406 in words is "one hundred sixty-eight million, four hundred seventy-one thousand, four hundred six".